Read our Privacy noticeThe cheapest supermarket in the UK has been revealed – with Aldi once again taking the crown. Asda, Sainsbury’s and Tesco make up the top five, in that order, and with under £3 separating them. ( Getty )Morrisons comes in cheaper than Tesco and Sainsbury’s with no loyalty cards used, but more expensive than them if they are. The July ranking is expected to be released shortly, but in June it was Asda which came out cheapest. Sainsbury’s was the most expensive for a fully branded shop if a Nectar card wasn’t used, more than 15 per cent more expensive than Asda.